Home / 122,981.26-169,684.96-69,255.58

Finding the Fourth Proportional to 122,981.26, 169,684.96 and 69,255.58

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Solution

The fourth proportional to 122,981.26, 169,684.96 and 69,255.58 is: 95,556.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,981.26 : 169,684.96 = 69,255.58 : x
  2. Step 2: Convert to fraction form
    122,981.26/169,684.96 = 69,255.58/x
  3. Step 3: Cross multiply
    122,981.26x = 169,684.96 × 69,255.58
  4. Step 4: Simplify right side
    122,981.26x = 11,751,630,322.08
  5. Step 5: Solve for x
    x = 11,751,630,322.08/122,981.26
  6. Step 6: Final answer
    x = 95,556.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.